<div class="select_value">
    <fieldset >
        <legend>
            <b>Метраж</b>
        </legend>
        <table>
            <tbody>
                <tr>
                    <td><b>кухня </b></td><td>от
                    <input  onkeyup="return check_number(this);" onchange="return check_number(this);"   maxlength="2" value="<?php if(isset($minkarea)){  if($minkarea != '' && $minkarea != '0'){ echo $minkarea;  }} ?>" size="2" name="minkarea">
                    м<sup>2</sup> до
                    <input  onkeyup="return check_number(this);" onchange="return check_number(this);"   maxlength="2" value="<?php if(isset($maxkarea)){  if($maxkarea != '' && $maxkarea != '0'){ echo $maxkarea;  }} ?>" size="2" name="maxkarea">
                    м<sup>2</sup></td>
                </tr>
                <tr>
                    <td><b>жилая </b></td><td>от
                    <input  onkeyup="return check_number(this);" onchange="return check_number(this);"  maxlength="4" value="<?php if(isset($minlarea)){  if($minlarea != '' && $minlarea != '0'){ echo $minlarea;  }} ?>" size="2" name="minlarea">
                    м<sup>2</sup> до
                    <input  onkeyup="return check_number(this);" onchange="return check_number(this);"   maxlength="4"  value="<?php if(isset($maxlarea)){  if($maxlarea != '' && $maxlarea != '0'){ echo $maxlarea;  }} ?>" size="2" name="maxlarea">
                    м<sup>2</sup></td>
                </tr>
                <tr>
                    <td><b>общая </b></td><td>от
                    <input  onkeyup="return check_number(this);" onchange="return check_number(this);"    maxlength="4"  value="<?php if(isset($minarea)){  if($minarea != '' && $minarea  != '0'){ echo $minarea;  }} ?>"  size="4" name="minarea">
                    м<sup>2</sup> до
                    <input  onkeyup="return check_number(this);" onchange="return check_number(this);"     maxlength="4"  value="<?php if(isset($maxarea)){  if($maxarea != '' && $maxarea != '0'){ echo $maxarea;  }} ?>" size="4" name="maxarea">
                    м<sup>2</sup></td>
                </tr>
            </tbody>
        </table>
    </fieldset>
</div>